swell的过去式和过去分词形式

过去式swelled，膨胀;肿胀;(使)凸出，鼓出;(使)增加，增大，扩大；

过去分词swollen，肿胀的;肿起来的;涨水的;上涨的

例句

If untreated, the gums recede, become swollen and bleed

如果不进行治疗，牙龈会开始萎缩、红肿和出血。

Her glands were swollen and painful

她腺体肿痛。

Her face is blotched and swollen.

她脸上长斑，而且肿起来了。

His heart swelled with pity.

他的心里充满了爱怜。

The sails swelled out in the wind.

船帆迎风鼓起。

His face swelled up with the toothache.

牙痛使他的脸都肿了。